diff --git a/pubspec.lock b/pubspec.lock
index 5cf65169..5955d647 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -1590,10 +1590,10 @@ packages:
     dependency: transitive
     description:
       name: shared_preferences_android
-      sha256: bd14436108211b0d4ee5038689a56d4ae3620fd72fd6036e113bf1345bc74d9e
+      sha256: "0b0f98d535319cb5cdd4f65783c2a54ee6d417a2f093dbb18be3e36e4c3d181f"
       url: "https://pub.dev"
     source: hosted
-    version: "2.4.13"
+    version: "2.4.14"
   shared_preferences_foundation:
     dependency: transitive
     description:
@@ -1860,10 +1860,10 @@ packages:
     dependency: transitive
     description:
       name: url_launcher_android
-      sha256: "199bc33e746088546a39cc5f36bac5a278c5e53b40cb3196f99e7345fdcfae6b"
+      sha256: c0fb544b9ac7efa10254efaf00a951615c362d1ea1877472f8f6c0fa00fcf15b
       url: "https://pub.dev"
     source: hosted
-    version: "6.3.22"
+    version: "6.3.23"
   url_launcher_ios:
     dependency: transitive
     description:
@@ -1988,10 +1988,10 @@ packages:
     dependency: transitive
     description:
       name: watcher
-      sha256: "5bf046f41320ac97a469d506261797f35254fa61c641741ef32dacda98b7d39c"
+      sha256: "592ab6e2892f67760543fb712ff0177f4ec76c031f02f5b4ff8d3fc5eb9fb61a"
       url: "https://pub.dev"
     source: hosted
-    version: "1.1.3"
+    version: "1.1.4"
   waterfall_flow:
     dependency: "direct main"
     description:
@@ -2084,4 +2084,4 @@ packages:
     version: "3.1.3"
 sdks:
   dart: ">=3.9.0 <4.0.0"
-  flutter: ">=3.35.5"
+  flutter: "3.35.5"
diff --git a/pubspec.yaml b/pubspec.yaml
index 0f251597..9041b2a4 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -20,7 +20,7 @@ publish_to: "none" # Remove this line if you wish to publish to pub.dev
 version: 1.1.4+1
 
 environment:
-  sdk: ">=3.8.0 <4.0.0"
+  sdk: ">=3.9.0 <4.0.0"
   flutter: 3.35.5 # update `.fvmrc` config
 
 # Dependencies specify other packages that your package needs in order to work.